King Sues Teva Over Plans For Generic Sonata

Law360, New York (August 8, 2005, 12:00 AM EDT) -- King Pharmaceuticals has sued Israel’s Teva Pharmaceuticals in federal courts in Delaware and New Jersey over Teva’s plans to make a generic version of the line of insomnia drugs marketed under the label Sonata.

King filed the lawsuit after receiving a letter in June from Teva indicating that the Israeli company had filed an abbreviated new drug application (ANDA) with the U.S. Food and Drug Administration for the drug.

Teva’s filing contained a “Paragraph IV” certification , asserting that the patents for the drug are invalid...
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